Step 1: First Download This Mobile Firmware/Flash File and Extract On Your Computer.
Step 2: Then Install USB Driver On Your Computer, USB Driver Is Already Installed (SKIP) This Step.
Step 3: Open This Mobile Flash Tool.
Step 5: Select Firmware/ Flash File (ISO) File with Tool.
Step 6: Press Start Button And Switch Off Your Mobile And Wait (10 Sec) And Connect It To PC.
Step 7: Your Progress Start.
Step 8: After Download Complete ON Computer Screen.
Step 9: Unplug Cable And Power ON And Startup Your Phone.